Williamson, J. 1. -., & Milner, C. (1991). The world economy: A textbook in international economics. Harvester / Wheatsheaf.
Chicago Style (17. basım) AtıfWilliamson, John 1937 -, ve Chris Milner. The World Economy: A Textbook in International Economics. New York; London: Harvester / Wheatsheaf, 1991.
MLA (9th ed.) AtıfWilliamson, John 1937 -, ve Chris Milner. The World Economy: A Textbook in International Economics. Harvester / Wheatsheaf, 1991.
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